From publisher blurb:
What does a man do when someone kills their family? You seek revenge of course. Learn magic, become a powerful mage and then when you still want more power become a lich. What does one do when the realm bands together and banishes you to a dimension full of undead? You take over the dimension of course. What do you do after that? Fight to return to this dimension so you can take it over as well.
Arcana is a supplement for Champions and Fantasy Hero. This supplement introduces Oeramm, a powerful lich that wants to take over this dimension and punish its inhabitants for wrongs done to him. Hero you will find stats for Oeramm, varies undead and a new organization that is helping him to achieve his goal. Red Death an organization led by a demon and hell bent on bring Oeramm to this dimension forever.